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Cr3C2-37WC-18NiCoCr Thermal Spray Powder

  • Agglomerated and Sintered gray-black spherical or near-spherical particles.
  • The maximum service temperature is up to 700℃.
  • The coating has excellent resistance to sliding wear, abrasive wear, erosive wear, corrosive wear, cavitation, and corrosion.
  • Excellent resistance to solid, liquid, and gas corrosion in elevated temperatures.
  • Excellent resistance to high-temperature complex corrosion.

Mainly used in pump valve parts, power generation boilers, biomass-burning boilers, the chemical

Grade & Chemical Composition

Grade

Chemical Composition (Wt, %)

W

T. C 

Co

Ni

Cr

O

Fe

ZTC49D*

Balance

7.8 – 8.4

3 – 4

 10.5 – 12.5 39.5 – 42.5

≤ 0.5

< 0.5

*: D stands for spherical or near-spherical thermal spray powder.

Size & Physical Properties

Grade

Type

Size Fraction (μm)

Apparent Density ( g/cm³)

Flow Rate

(s/50g)

Application

ZTC4951D

             

Cr3C2 – WC – NiCoCr

45/37/18

Agglomerated

& Sintered

– 53 + 20

≥ 2.5

—
  • HVOF

(JP5000 & JP8000, DJ2600 & DJ2700, JetKote,

Woka Jet, K2)

  • HVAF
  • APS

ZTC4953D

– 45 + 20

≥ 2.5

—

ZTC4952D

– 45 + 15

≥ 2.5

—

ZTC4981D

– 45 + 11

≥ 2.5

—

ZTC4954D

– 38 + 10

≥ 2.5

—

ZTC4982D

– 30 + 10

≥ 2.5

—
We can tailor-make different particle size distributions and apparent densities for various applications.
Recommended Spray Parameters (HVOF)

Coating Properties
Material

Cr3C2 – 37WC – 18NiCoCr

Hardness (HV0.3)

1050 – 1250
Manufacturing

Agglomerated & Sintered

Bonding Strength (MPa)

> 60MPa
Size Fraction (µm)

– 45 + 15

Deposited efficiency (%)

40 – 48%
Spray Torch

JP5000

Porosity (%)

< 3%
Nozzle (inch)

6

Kerosene (L/h)

25

Oxygen (L/min)

900

Carrier gas (Ar) (L/min)

7.5

Powder feed rate (g/min)

70 – 80

Spraying distance (mm)

320 – 380